1 votes 1 votes Graph Theory testbook-test-series graph-theory counting + – Bhagyashree Mukherje asked Jul 14, 2018 • edited Mar 12, 2019 by ajaysoni1924 Bhagyashree Mukherje 466 views answer comment Share Follow See all 9 Comments See all 9 9 Comments reply Show 6 previous comments Bhagyashree Mukherje commented Aug 15, 2018 reply Follow Share I guess your solution is right.It is done here in the same way. 0 votes 0 votes rajatmyname commented Aug 15, 2018 reply Follow Share You can take my previous explanation and multiply with n since we are talking about expectation 0 votes 0 votes Bhagyashree Mukherje commented Aug 15, 2018 reply Follow Share Yes yes.understud your explanation.Thanks 0 votes 0 votes Please log in or register to add a comment.